Measurement of D0-D0 Mixing from a Time-Dependent Amplitude Analysis of D0→K+π-π0 Decays

被引:41
|
作者
Aubert, B. [1 ,2 ]
Bona, M. [1 ,2 ]
Karyotakis, Y. [1 ,2 ]
Lees, J. P. [1 ,2 ]
Poireau, V. [1 ,2 ]
Prencipe, E. [1 ,2 ]
Prudent, X. [1 ,2 ]
Tisserand, V. [1 ,2 ]
Garra Tico, J. [3 ]
Grauges, E. [3 ]
Lopez, L. [4 ,5 ]
Palano, A. [4 ,5 ]
Pappagallo, M. [4 ,5 ]
Eigen, G. [6 ]
Stugu, B. [6 ]
Sun, L. [6 ]
Abrams, G. S. [7 ]
Battaglia, M. [7 ]
Brown, D. N. [7 ,47 ]
Cahn, R. N. [7 ]
Jacobsen, R. G. [7 ]
Kerth, L. T. [7 ]
Kolomensky, Yu. G. [7 ]
Lynch, G. [7 ]
Osipenkov, I. L. [7 ]
Ronan, M. T. [7 ]
Tackmann, K. [7 ]
Tanabe, T. [7 ]
Hawkes, C. M. [8 ]
Soni, N. [8 ]
Watson, A. T. [8 ]
Koch, H. [9 ]
Schroeder, T. [9 ]
Walker, D. [10 ]
Asgeirsson, D. J. [11 ]
Fulsom, B. G. [11 ]
Hearty, C. [11 ]
Mattison, T. S. [11 ]
McKenna, J. A. [11 ]
Barrett, M. [12 ]
Khan, A. [12 ]
Blinov, V. E. [13 ]
Bukin, A. D. [13 ]
Buzykaev, A. R. [13 ]
Druzhinin, V. P. [13 ]
Golubev, V. B. [13 ]
Onuchin, A. P. [13 ]
Serednyakov, S. I. [13 ]
Skovpen, Yu. I. [13 ]
Solodov, E. P. [13 ]
机构
[1] CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France
[2] Univ Savoie, F-74941 Annecy Le Vieux, France
[3] Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain
[4] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
[5] Univ Bari, Dipartmento Fis, I-70126 Bari, Italy
[6] Univ Bergen, Inst Phys, N-5007 Bergen, Norway
[7] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[8] Univ Birmingham, Birmingham B15 2TT, W Midlands, England
[9] Ruhr Univ Bochum, Inst Expt Phys 1, D-44780 Bochum, Germany
[10] Univ Bristol, Bristol BS8 1TL, Avon, England
[11] Univ British Columbia, Vancouver, BC V6T 1Z1, Canada
[12] Brunel Univ, Uxbridge UB8 3PH, Middx, England
[13] Budker Inst Nucl Phys, Novosibirsk 630090, Russia
[14] Univ Calif Irvine, Irvine, CA 92697 USA
[15] Univ Calif Los Angeles, Los Angeles, CA 90024 USA
[16] Univ Calif Riverside, Riverside, CA 92521 USA
[17] Univ Calif San Diego, La Jolla, CA 92093 USA
[18] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA
[19] Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA
[20] CALTECH, Pasadena, CA 91125 USA
[21] Univ Cincinnati, Cincinnati, OH 45221 USA
[22] Univ Colorado, Boulder, CO 80309 USA
[23] Colorado State Univ, Ft Collins, CO 80523 USA
[24] Tech Univ Dortmund, Fak Phys, D-44221 Dortmund, Germany
[25] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany
[26] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France
[27] Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland
[28] Ist Nazl Fis Nucl, Sez Ferrara, I-44100 Ferrara, Italy
[29] Univ Ferrara, Dipartmento Fis, I-44100 Ferrara, Italy
[30] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[31] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy
[32] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy
[33] Harvard Univ, Cambridge, MA 02138 USA
[34] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany
[35] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany
[36] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England
[37] Univ Iowa, Iowa City, IA 52242 USA
[38] Iowa State Univ, Ames, IA 50011 USA
[39] Johns Hopkins Univ, Baltimore, MD 21218 USA
[40] Univ Karlsruhe, Inst Expt Kernphys, D-76021 Karlsruhe, Germany
[41] CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France
[42] Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France
[43] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[44] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England
[45] Univ London, London E1 4NS, England
[46] Univ London Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England
[47] Univ Louisville, Louisville, KY 40292 USA
[48] Univ Manchester, Manchester M13 9PL, Lancs, England
[49] Univ Maryland, College Pk, MD 20742 USA
[50] Univ Massachusetts, Amherst, MA 01003 USA
基金
加拿大自然科学与工程研究理事会;
关键词
D O I
10.1103/PhysRevLett.103.211801
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present evidence of D-0-D-0 mixing using a time-dependent amplitude analysis of the decay D-0 -> K+pi(-)pi(0) in a data sample of 384 fb(-1) collected with the BABAR detector at the PEP-II e(+)e(-) collider at the Stanford Linear Accelerator Center. Assuming CP conservation, we measure the mixing parameters x(K pi pi)(0')=[2.61(-0.68)(+0.57)(stat)+/- 0.39(syst)]%, y(K pi pi)(0')=[-0.06(-0.64)(+0.55)(stat)+/- 0.34(syst)]%. This result is inconsistent with the no-mixing hypothesis with a significance of 3.2 standard deviations. We find no evidence of CP violation in mixing.
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页数:8
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